*d*Illneverforgettheday(that/which)wespenttogether.对比一下！IllneverforgetthedaywhenIgotmarried.12关系副词When=on(in,during…)whichwhere=on(in,infrontof…)whichWhy=forwhich（三）关系副词与介词+关系代词的替代*whenwhen可用in/on/at/during+which代替1.Istillremembertheday.2.Ifirstmethimontheday.IstillrememberthedayonwhichIfirstmethim.whenwhich*wherewhere可用in/on/at/to+which代替1.Thedictionaryistheonlyplace.2.Successcomesbeforeworkinthedictionary.Thedictionaryistheonlyplaceinwhichsuccesscomesbeforework.wherewhich.*whywhy可用for+which代替1.Thisisthereason.2.Iwaslateforschoolforthisreason.ThisisthereasonforwhichIwaslateforschool.whywhich.Theshop___sellsflowersisattheendofthestreet.A.who B.where C.which Thisisthehotel___lastmonth.A.whichtheystayed B.atthattheystayed C.wheretheystayedat D.wheretheystayedDoyouknowtheyear___theChineseCommunistPartywasfounded?A.whichB.thatC.whenD.whichGreatchangeshavetakenplacesincetheninthefactory___weareworking.A.whereB.thatC.whichD.thereIshallneverforgetthoseyear___Ilivedonthefarmwiththefarmers,___hasagreateffectonmylife.A.when;who B.that;which C.which;that D.when;which如何选用定语从句的关系词1.首先分清主句和定语从句2.确定定语从句的先行词3.把先行词带回到定语从句中去，看其在定语从句中做什么语法成分（主语，宾语，定语或状语）4.若先行词在从句中做主语、宾语或定语则选择关系代词，若在从句中做状语，则选择关系副词。由Who引导的定语从句，在句中做主语\宾语1、Doyouknowtheman___istalkingwithyourfather?A.whoseB.whoC.which2、Theboys___theteachertalkedtoarefromClassOne.A.whenB.whichC.who3、Those___wanttogotothemuseummustbeattheschoolgateat7tomorrowmorning.A.whoB.whichC.whom4.Thegentleman___youtoldmeyesterdayprovedtobeathief.A.who